diff --git a/src/main/java/dev/morling/onebrc/CalculateAverage_seijikun.java b/src/main/java/dev/morling/onebrc/CalculateAverage_seijikun.java
index c5678b1712..b879f13fc8 100644
--- a/src/main/java/dev/morling/onebrc/CalculateAverage_seijikun.java
+++ b/src/main/java/dev/morling/onebrc/CalculateAverage_seijikun.java
@@ -62,10 +62,6 @@ public static class StationIdent {
 
         public StationIdent(byte[] name, int nameHash) {
             this.name = name;
-            // TODO: DEBUG
-            // if(Arrays.asList(this.name).contains(';')) {
-            // throw new RuntimeException();
-            // }
             this.nameHash = nameHash;
         }
 
@@ -122,7 +118,7 @@ public ChunkReader(RandomAccessFile file, long startOffset, long endOffset) {
         private StationIdent readStationName() {
             final var VECTOR_SPECIES = ByteVector.SPECIES_256;
 
-            if (chunkSize - ptr < VECTOR_SPECIES.length()) { // fallback
+            if (chunkSize - ptr - 100 < VECTOR_SPECIES.length()) { // fallback
                 int startPtr = ptr;
                 while (buffer.get(ptr++) != ';') {
                 }